... design 2 Anticorrosion 3 H beam C purlin, window, sandwich panel 4 ISO9001 1500sqm Double Sloped Galvanized Color Coated Steel ... , large supermarkets, logistics warehouses, showrooms, hangar, etc. H beam, C purlin and floor decking are used as support braceFoundation ... ,type:Single slope, double slope, muti slope; Single span, double-span, Multi-span, single floor, double floors! 3)Height: 3-10m 4 ...